40702688847 has 12 divisors (see below), whose sum is σ = 58796509824. Its totient is φ = 27133401120.

The previous prime is 40702688813. The next prime is 40702688861. The reversal of 40702688847 is 74888620704.

It is a happy number.

It is not a de Polignac number, because 40702688847 - 2³² = 36407721551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40702688793 and 40702688802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40702688647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14947 + ... + 285707.

It is an arithmetic number, because the mean of its divisors is an integer number (4899709152).

Almost surely, 2^40702688847 is an apocalyptic number.

40702688847 is a deficient number, since it is larger than the sum of its proper divisors (18093820977).

40702688847 is a wasteful number, since it uses less digits than its factorization.

40702688847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287470 (or 287467 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 54.

The spelling of 40702688847 in words is "forty billion, seven hundred two million, six hundred eighty-eight thousand, eight hundred forty-seven".